Curated OER
Fractions
Learners determine that a fraction is a part of a whole or part of a group. They write and read fractions and solve various fraction problems. They create their own fraction problem using colored candies for their classmate to solve.
Ohio Department of Education
Models for Dividing Fractions - Grade Six
Fifth and sixth graders use food and candy to help them represent division of fractions and develop algorithms to solve fraction problems. They discuss dividing whole numbers by fractions. Pupils use sticks and chocolate bars to...
Curated OER
Math In Everyday Life
Second and third graders solve word problems involving both time and money. First the class works together to solve basic addition, subtraction, multiplication, and simple fraction problems (these examples are provided). After solving...
Curated OER
Vectors
High schoolers listen to a lecture and complete a number of problems as they go. There are a variety of examples given and they are guided through the problem solving steps for each of the real-world scenarios regarding the purpose of...
Curated OER
Half Lives
Students investigate the concept of half-life by conducting an M&M experiment. In this chemistry lesson, students differentiate nuclear fusion and fission. They present investigation findings to class.
Curated OER
Redox Equations and the Half-Reaction Method
Students review half-reactions and practice balancing redox equations in order to help them solve problems in chemistry.
Curated OER
Three Squirrels and a Pile of Nuts
Students solve story problems using a spreadsheet in combination with various problem-solving strategies. Working in teams of three, students create attempt to solve a story problem using three different methods; using manipulative,...
Curated OER
Fractions: Pie
Learners use a pie (circle) to study fractions. They create their own fraction problems and demonstrate to their classmates how to solve the problems. They discuss ways they use fractions in their daily lives.
Curated OER
Best lesson in the whole world!
Students study the concept of fraction using mathematical reasoning. In this problem solving fraction lesson, students use various methods to explain their reasoning in solving fractions. Students use a number of different prompts to...
Curated OER
Not So Snappy 2
In this math worksheet, students learn to use problem solving strategies such as making a list, guess and check, working backwards and drawing a diagram. Students read and solve 6 sentences.
Curated OER
The Bananas Problem
Students read a fraction word problem and find the solution. In this fraction word problem lesson, students read the word problem about fractions and find a solution. Students use the links to find different solutions to the problems.
Illustrative Mathematics
Running to School
The object of this activity is to compute how far Rosa ran to school. Given in the exercise is the fractional number of miles between home and school and the fractional distance Rosa ran. The commentary shows several ways to have your...
Illustrative Mathematics
Making Hot Cocoa, Variation 2
Learners are introduced to dividing by fractions in a visual way. Setting up groups from the information in the problem allows them to see what we divide and why. Use with the previous lesson, which can be found in Additional Materials,...
Illustrative Mathematics
Voting for Three, Variation 2
Here is another opportunity for math students to apply reasoning to solve real-world problems with ratios. The ratio of the number of votes for two candidates is provided. Your class is asked to use this ratio and information given about...
West Contra Costa Unified School District
Simplifying Fractions Activity
Warm-up pupils' fraction muscles with a four-question quiz, then delve into a learning game designed to reinforce the concept of simplifying fractions. Based on the "I do, We do, You do" method of teaching, the lesson...
EngageNY
Ratios of Fractions and Their Unit Rates 2
Remodeling projects require more than just a good design — they involve complex fractions, too. To determine whether a tiling project will fit within a given budget pupils calculate the square footage to determine the number of...
Illustrative Mathematics
Voting for Three, Variation 1
This is an opportunity for young mathematicians to apply reasoning to solve real-world problems with ratios. Even though there are three candidates for class president, students will only consider two at a time, making the first problem...
Illustrative Mathematics
Shrinking
Is Aunt Nancy shrinking? Find out by calculating with the average height women lose each year. The activity practices multiplying and dividing with decimals and rounding the final answer.
Illustrative Mathematics
Shirt Sale
Everyone loves a good deal, and your mathematician's job is to calculate the original price when given the discount. A different type of problem than the traditional "find the percent change" has your learners working backwards to...
Serendip
Golden Rice – Evaluating the Pros and Cons
More than half the world's population eats rice as a daily staple ... imagine if that rice could prevent illness. Scientists genetically engineered rice to include vitamin A for just that purpose. However, room for debate still exists....
Curated OER
How Much?
It's time to go back over all that your class has learned about decimals, fractions, and percentages! To do so, individuals solve story problems that involve addition, subtraction, multiplication, and division with decimals, explain how...
Curated OER
Developing the Concept: Proportions
Students solve problems with proportions. In this proportions lesson, students solve word problems as they learn about how to set up formulas for solving proportions. Students then solve problems using proportions.
Curated OER
Introducing the Concept: Percents
Students explore the math concept of percents. In this percents lesson, students examine visual examples of the relationships among fractions, decimals, and percents. Students also practice solving problems that their instructors model.
Curated OER
Order of Operations
In this order of operations worksheet, students solve problems that include all four operations, parenthesis, square roots, and more. Students complete 50 problems.